package com.pig4cloud.pig.demo.feign.Util;

import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTCreator;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.interfaces.DecodedJWT;

import java.util.Calendar;
import java.util.Map;

public class JWTUtil {
    //任意值
    private static final String SING = "`>:89078$%@$%#^#${}{}[]][[:";

    public static String getToken(Map<String, String> map) {
        Calendar instance = Calendar.getInstance();
        instance.add(Calendar.DATE, 7);  //7天过期

        JWTCreator.Builder builder = JWT.create();

        map.forEach((k, v) -> {
            builder.withClaim(k, v);
        });

        String token = builder.withExpiresAt(instance.getTime())   //过期时间
                .sign(Algorithm.HMAC256(SING));

        return token;
    }

    public static DecodedJWT verify(String token) {
        return JWT.require(Algorithm.HMAC256(SING)).build().verify(token);
    }
}
